2015 BMW 640i Convertible vs 2015 BMW 650i Convertible
| EPA figure | 2015 BMW 640i Convertible | 2015 BMW 650i Convertible |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Subcompact · Rear-Wheel Drive · Gas | Subcompact · Rear-Wheel Drive · Gas |
| Combined MPG | 24 | 20 |
| City / highway MPG | 20 / 30 | 17 / 24 |
| Fuel a year | $3,400 | $4,100 |
| Tailpipe CO₂ (g/mi) | 376 | 441 |
| Engine | 3.0 L 6-cyl turbo | 4.4 L 8-cyl turbo |
| Transmission | Automatic (S8) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.